Volunteers complained they were turned away from the Deepwater Horizon oil spill cleanup in 2010. Four years later, after another spill in Galveston Bay last month, volunteers have been helping officials determine where to send cleanup crews. Read the full story at StateImpact Texas.

—DAVE FEHLING reports for KUHF News and StateImpact Texas where this story was originally broadcast. It is made available here through a news partnership between the Texas Tribune and the San Marcos Mercury.

COVER: A barge glides through the Houston Ship Channel at dusk in April 2007. PHOTO by LOUIS VEST